<template>
  <div class="list">
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索框 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 主体视图区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column label="序列" type="index"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"></el-table-column>
        <el-table-column prop="goods_price" label="商品价格" width="95px"></el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="120px"></el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="140px">
          <template v-slot="scope">{{scope.row.add_time | dateFormat}}</template>
        </el-table-column>
        <el-table-column label="操作">
          <template v-slot="scope">
            <el-button type="primary" icon="el-icon-edit">编辑</el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              @click="removeById(scope.row.goods_id)"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 30, 50]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      ></el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data () {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodsList: [],
      // 商品条数总量 分页用
      total: 0
    }
  },
  created () {
    this.getGoodList()
  },
  methods: {
    async getGoodList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status === 200) {
        this.goodsList = res.data.goods
        this.total = res.data.total
      }
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodList()
    },
    async removeById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除, 是否继续?', '谨慎操作', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status === 200) {
        this.$message.success('已经成功删除')
        this.getGoodList()
      }
    },
    goAddpage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>
<style scoped lang="scss">
</style>
